CVE-2026-49887 Google CVE debrief

Who should care

Defenders responsible for Google Android deployments, particularly those using versions 16.0 and 17.0, should assess exposure and prioritize remediation to prevent potential local privilege escalation.

Why it matters

CVE-2026-49887 is a high-severity vulnerability in Google Android that allows for local escalation of privilege due to a permissions bypass. Defenders should prioritize verifying and applying patches, assessing exposure, and implementing compensating controls to mitigate potential impacts.

• Verify and apply patches from Google to prevent exploitation
• Assess exposure in Android deployments to prioritize remediation
• Implement compensating controls to mitigate potential local privilege escalation

Technical summary

The vulnerability exists in maybeRemoveInvalidInstallerPackageName of InstallRepository.kt, allowing for local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation. The CVSS vector is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. The vulnerability affects Google Android versions 16.0 and 17.0, and defenders should prioritize verifying and applying patches from Google, assessing exposure in their Android deployments, and implementing compensating controls to mitigate potential local privilege escalation.

Defensive priority

Defenders should prioritize verifying and applying patches from Google, assessing exposure in their Android deployments, and implementing compensating controls to mitigate potential local privilege escalation.

Recommended defensive actions

• Verify and apply patches from Google for affected Android versions
• Assess exposure in Android deployments and prioritize remediation
• Implement compensating controls to mitigate potential local privilege escalation
• Review relevant monitoring, detection, and logs for exposed assets that need extra review
• Track exceptions, retest remediated assets, and close the item only after evidence is documented
• Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up
• Plan vendor-supported updates or mitigations through normal change control where exposure is confirmed

Evidence notes

The CVE record and NVD entry provide details on the vulnerability, including its high CVSS score of 7.8, and a Vendor Advisory reference from Google. The vulnerability has been identified in Google Android versions 16.0 and 17.0, and defenders should verify and apply patches from Google to prevent exploitation. The evidence is limited to publicly available sources, and further verification is recommended.

Sources and references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.